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nailfold capillaroscopy positive in secondary raynaud’s

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Nailfold capillaroscopy is a diagnostic procedure that involves examining the small blood vessels (capillaries) in the skin near the nails. It is typically used to diagnose and monitor connective tissue diseases, such as scleroderma and systemic lupus erythematosus.

Raynaud’s phenomenon is a condition that causes the blood vessels in the fingers and toes to narrow in response to cold temperatures or stress. There are two types of Raynaud’s phenomenon: primary (also known as idiopathic Raynaud’s) and secondary. Primary Raynaud’s is the more common form and has no underlying cause. Secondary Raynaud’s is less common and is caused by an underlying condition, such as a connective tissue disease or injury to the blood vessels.

A positive result on a nailfold capillaroscopy in a patient with secondary Raynaud’s may indicate the presence of an underlying connective tissue disease, such as scleroderma or systemic lupus erythematosus. However, it is important to note that nailfold capillaroscopy is only one diagnostic tool and should be interpreted in the context of the patient’s overall medical history and other test results.



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